firewire: Add generation field to send_request ioctl struct.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/firewire/fw-device-cdev.h b/drivers/firewire/fw-device-cdev.h
index 0cc4b082..f1c4b74 100644
--- a/drivers/firewire/fw-device-cdev.h
+++ b/drivers/firewire/fw-device-cdev.h
@@ -151,6 +151,7 @@
 	__u64 offset;
 	__u64 closure;
 	__u64 data;
+	__u32 generation;
 };
 
 struct fw_cdev_send_response {